CN209372156U - A kind of point type Doppler ultra sonic wave flow flowmeter - Google Patents
A kind of point type Doppler ultra sonic wave flow flowmeter Download PDFInfo
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- CN209372156U CN209372156U CN201920102230.7U CN201920102230U CN209372156U CN 209372156 U CN209372156 U CN 209372156U CN 201920102230 U CN201920102230 U CN 201920102230U CN 209372156 U CN209372156 U CN 209372156U
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Abstract
The utility model discloses a kind of point type Doppler ultra sonic wave flow flowmeter, including control cylinder and measuring head, battery and control chip are set in application cylinder body, it controls chip and connects data lead, data lead connects telescoping tube, and telescoping tube is connect with measuring head, and telescoping tube sets link；Measuring head includes connector armed lever, special-shaped shell body and probe rod, special-shaped shell body is built-in with supersonic generator T and ultrasonic receiver R, and probe rod is symmetrical in claw type along special-shaped shell body, and the surface of emission of supersonic generator T and the receiving plane of ultrasonic receiver R are distributed in 3 D stereo；Control cylinder is placed on supporter, and supporter includes disk, support column and annulus, and support column is clamped rotating cylinder, and the hook of rotating cylinder connection expansion link, telescopic rod is connect with link, and foot lever, hollow cylinder and point pin are connected under disk.The utility model realizes the speed-measuring method of three-dimensional point type, and rate accuracy is high, easily portable, and the test point of the utility model can be adjusted in certain space, applied widely.
Description
Technical field
The utility model relates to ultrasonic flow meter technology fields more particularly to a kind of point type Doppler ultra sonic wave flow to measure
Measure instrument.
Background technique
Doppler ultrasonic flow meter is using a kind of current surveying device of Doppler effect measurement, and now, it has been a kind of survey
Measure the important instrument of industrial water, the discharge of sewage.Doppler velocimetry is exactly worked using ultrasonic wave by this feature is scattered
, i.e., ultrasonic wave such as encounters minute solid particles or bubble on propagation path and can be scattered, the work of Doppler ultrasonic flow meter
It is as follows to make principle: being generated on the ultrasonic wave to the intracorporal bubble of flow fluid and solid particle of transmitting transducer t transmitting certain frequency
Scattered wave, scattered wave are received energy converter r and are received, and frequency variation is directly proportional to the movement speed of particle (or bubble).
So Doppler method just be suitble to measurement the fluid containing solid particle or bubble, but due to scattering particles or bubble be with
Existing for machine, fluid sound conductivity also has difference.If it is the fluid of measurement sound conductivity difference, then in the low flow velocity area of nearly tube wall
It scatters stronger；And measure the good fluid of sound conductivity and scatter dominance in High Velocity Area, this allows for the measurement essence of Doppler method
It spends lower.Although the structure separated using transmitting transducer with reception energy converter, in this way can receiving stream quick-break face middle area
The scattering in domain, but the measurement accuracy or lower compared with time difference method.
Thus, the measurement accuracy of Doppler method how is improved, Doppler range rate measurement instrument is made to be suitable for various in-site measurements (i.e.
Point type velocimetry), it is the brainstorm subject of current area.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of point type Doppler proposed
Ultrasonic flowmeter.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of point type Doppler ultra sonic wave flow flowmeter, including control cylinder and measuring head, control in cylinder body outer wall
Portion is equipped with annular recess, and the lower part for controlling cylinder lumen is equipped with battery, and the top for controlling cylinder lumen is equipped with control chip, control
Chip is electrically connected with data lead, and the top of data lead from control cylinder is external through application cylinder, and data lead is far from control
One end of cylinder processed passes through telescoping tube and is electrically connected with measuring head, and telescoping tube is made of outer tube and inner tube, one end of inner tube with
Measuring head is fixedly connected, and inner tube is equipped with elastic salient point, and outer tube is equipped with through-hole corresponding with elastic salient point, and the tube wall of outer tube is additionally provided with
Link；
Measuring head includes connector armed lever, special-shaped shell body and probe rod, and one end of connector armed lever and the inner tube of telescoping tube are fixed
Connection, the other end of connector armed lever are fixedly connected with special-shaped shell body, and special-shaped shell body is built-in with supersonic generator T and ultrasonic wave connects
Device R is received, probe rod is symmetrical in claw type along special-shaped shell body, and the surface of emission of supersonic generator T is located at special-shaped shell body end face
The receiving plane of center, ultrasonic receiver R is located on the bar wall of probe rod, and the surface of emission and receiving plane are in three-dimensional tetrahedron knot
Structure distribution.
In order to apply point type Doppler ultra sonic wave flow flowmeter above-mentioned in various water body environments, the utility model
Also propose a kind of mounting structure, as follows: control cylinder is placed on supporter, and supporter includes disk, and the upper surface of disk is equipped with
Groove corresponding with control cylinder, the upper surface of disk are also connected with support column, and support column is connected with circle far from one end of disk
Ring, the internal diameter of annulus are greater than the outer diameter of control cylinder；
Rotating cylinder is connected in the middle part of support column, the outer wall of rotating cylinder is connected with telescopic rod, and telescopic rod connects far from one end of rotating cylinder
It is connected to hook, hook is connect with link；
The lower surface of disk is equipped with foot lever, and foot lever is connected with hollow cylinder, the opening of hollow cylinder bottom far from one end of disk
Place is equipped with point pin.
Preferably, the middle part of telescopic rod is equipped with tightening knob.
Preferably, the middle part of support column is the convex shaft shoulder, and the inner wall of rotating cylinder is spill, and support column is connected together with rotating cylinder.
Preferably, the outer wall packet of connector armed lever and special-shaped shell body is connected to sealing film.
Preferably, battery is specifically battery, and battery is connected with voltage-stablizer.
Compared with prior art, the utility model has the beneficial effects that
1. the utility model uses the measuring head of claw, makes the surface of emission of ultrasonic wave and receiving plane is in three-dimensional tetrahedral structure
Distribution, to realize the speed-measuring method of three-dimensional point type, improves the rate accuracy of Doppler method.
2. the utility model using be fixed easily, portable supporter installs control cylinder and measuring head, can by flexible
Bar adjusts the width to test the speed, adjusts the depth to test the speed by telescoping tube, adjusts the angle to test the speed by support column and rotating cylinder, realizes
The Space adjustment of test point, is greatly improved the scope of application of the utility model.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of point type Doppler ultra sonic wave flow flowmeter structural schematic diagram；
Fig. 2 be the utility model proposes a kind of point type Doppler ultra sonic wave flow flowmeter supporter structural representation
Figure；
Fig. 3 be the utility model proposes a kind of point type Doppler ultra sonic wave flow flowmeter rotating cylinder sectional view；
Fig. 4 be the utility model proposes a kind of point type Doppler ultra sonic wave flow flowmeter measuring principle schematic diagram.
In figure: 1 control cylinder, 2 measuring heads, 3 annular recess, 4 batteries, 5 control chips, 6 data leads, 7 telescoping tubes, 8
Elastic salient point, 9 through-holes, 10 links, 11 connector armed levers, 12 special-shaped shell bodies, 13 probe rods, 14 surface of emissions, 15 receiving planes, 16 circles
Disk, 17 support columns, 18 annulus, 19 rotating cylinders, 20 telescopic rods, 21 hooks, 22 foot levers, 23 hollow cylinders, 24 point pins, 25 tightening knobs.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1, a kind of point type Doppler ultra sonic wave flow flowmeter, including control cylinder 1 and measuring head 2, application cylinder
The middle part of 1 outer wall of body is equipped with annular recess 3, and the lower part of control 1 inner cavity of cylinder is equipped with battery 4, and the top of control 1 inner cavity of cylinder is set
There is control chip 5, control chip 5 is electrically connected with data lead 6, and data lead 6 is from the top of control cylinder 1 through application cylinder
Outside body 1, data lead 6 passes through telescoping tube 7 far from one end of control cylinder 1 and is electrically connected with measuring head 2, and telescoping tube 7 is by outer
Pipe and inner tube composition, one end of inner tube are fixedly connected with measuring head 2, and inner tube is equipped with elastic salient point 8, and outer tube is equipped with and elastic salient point
8 corresponding through-holes 9, the tube wall of outer tube are additionally provided with link 10；Measuring head 2 includes connector armed lever 11, special-shaped shell body 12 and probe rod
13, one end of connector armed lever 11 is fixedly connected with the inner tube of telescoping tube 7, and the other end and special-shaped shell body 12 of connector armed lever 11 are fixed
Connection, special-shaped shell body 12 are built-in with supersonic generator T and ultrasonic receiver R, and probe rod 13 is in claw type along special-shaped shell body 12
Symmetrical, the surface of emission 14 of supersonic generator T is located at the center of 12 end face of special-shaped shell body, ultrasonic receiver R's
Receiving plane 15 is located on the bar wall of probe rod 13, and the surface of emission 14 and receiving plane 15 are in three-dimensional tetrahedral structure distribution.
Referring to Fig. 2, in order to apply point type Doppler ultra sonic wave flow flowmeter above-mentioned in various water body environments, this
Utility model also proposes a kind of mounting structure, as follows: control cylinder 1 is placed on supporter, and supporter includes disk 16, disk 16
Upper surface be equipped with and be also connected with support column 17 with the corresponding groove of control cylinder 1, the upper surface of disk 16, support column 17 is separate
One end of disk 16 is connected with annulus 18, and the internal diameter of annulus 18 is greater than the outer diameter of control cylinder 1；The middle part of support column 17 is connected with
Rotating cylinder 19, the outer wall of rotating cylinder 19 are connected with telescopic rod 20, and telescopic rod 20 is connected with hook 21, hook 21 far from one end of rotating cylinder 19
It is connect with link 10；The lower surface of disk 16 is equipped with foot lever 22, and foot lever 22 is connected with hollow cylinder 23 far from one end of disk 16, empty
The opening of 23 bottom of heart cylinder is equipped with sharp pin 24.Supporter can be used for fixed control cylinder 1, and contracting bar 20 and hook 21 are for hanging
Measuring head 2.
Referring to Fig.1-3, the middle part of telescopic rod 20 is equipped with tightening knob 25, long for adjusting rod, can expand test scope.
Referring to Fig.1-3, the middle part of support column 17 is the convex shaft shoulder, and the inner wall of rotating cylinder 19 is spill, support column 17 and rotating cylinder
19 are connected together, and when test, test point can be rotated around support column 17, further increase test scope.
Referring to Fig.1-3, the outer wall packet of connector armed lever 11 and special-shaped shell body 12 is connected to sealing film, improves leakproofness, guarantees
It is enough to test the speed under water.
Referring to Fig.1-3, battery 4 is specifically battery, and battery 4 is connected with voltage-stablizer, is convenient for charge and discharge and carrying.
The course of work of the utility model: as shown in figure 4, sound wave by the surface of emission 14 of supersonic generator T be irradiated to
It surveys on particle, the scattering principle of foundation ultrasonic wave, on the receiving plane 15 of sound scattering to ultrasonic receiver R, then feeds back control
Control chip 5 in cylinder 1 processed, then data are reflected into display equipment, to complete testing the speed for 3 D stereo.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of point type Doppler ultra sonic wave flow flowmeter, including control cylinder (1) and measuring head (2), which is characterized in that institute
The middle part for stating control cylinder (1) outer wall is equipped with annular recess (3), and the lower part of described control cylinder (1) inner cavity is equipped with battery (4),
The top of described control cylinder (1) inner cavity is equipped with control chip (5), and the control chip (5) is electrically connected with data lead
(6), the data lead (6) is from the top of control cylinder (1) through cylinder (1) is controlled outside, and the data lead (6) is far from control
One end of cylinder (1) processed passes through telescoping tube (7) and is electrically connected with measuring head (2), and the telescoping tube (7) is by outer tube and inner tube group
At one end of said inner tube is fixedly connected with measuring head (2), and said inner tube is equipped with elastic salient point (8), and the outer tube is equipped with and bullet
The corresponding through-hole (9) of property salient point (8), the tube wall of the outer tube are additionally provided with link (10)；
The measuring head (2) includes connector armed lever (11), special-shaped shell body (12) and probe rod (13), the connector armed lever (11)
One end is fixedly connected with the inner tube of telescoping tube (7), and the other end of the connector armed lever (11) is fixedly connected with special-shaped shell body (12),
The special-shaped shell body (12) is built-in with supersonic generator T and ultrasonic receiver R, and the probe rod (13) is along special-shaped shell body
(12) symmetrical in claw type, the surface of emission (14) of the supersonic generator T is located at the centre bit of special-shaped shell body (12) end face
It sets, the receiving plane (15) of the ultrasonic receiver R is located on the bar wall of probe rod (13), the surface of emission (14) and receiving plane
(15) in three-dimensional tetrahedral structure distribution.
2. a kind of point type Doppler ultra sonic wave flow flowmeter according to claim 1, which is characterized in that the application cylinder
Body (1) is placed on supporter, and the supporter includes disk (16), and the upper surface of the disk (16) is equipped with and control cylinder
(1) upper surface of corresponding groove, the disk (16) is also connected with support column (17), and the support column (17) is far from disk
(16) one end is connected with annulus (18), and the internal diameter of the annulus (18) is greater than the outer diameter of control cylinder (1)；
It is connected with rotating cylinder (19) in the middle part of the support column (17), the outer wall of the rotating cylinder (19) is connected with telescopic rod (20), institute
It states telescopic rod (20) to be connected with hook (21) far from the one end of rotating cylinder (19), the hook (21) connect with link (10)；
The lower surface of the disk (16) is equipped with foot lever (22), and the foot lever (22) is connected with hollow far from the one end of disk (16)
The opening of cylinder (23), hollow cylinder (23) bottom is equipped with point pin (24).
3. a kind of point type Doppler ultra sonic wave flow flowmeter according to claim 2, which is characterized in that the telescopic rod
(20) middle part is equipped with tightening knob (25).
4. a kind of point type Doppler ultra sonic wave flow flowmeter according to claim 2, which is characterized in that the support column
(17) middle part is the convex shaft shoulder, and the inner wall of the rotating cylinder (19) is spill, and the support column (17) engages company with rotating cylinder (19)
It connects.
5. a kind of point type Doppler ultra sonic wave flow flowmeter according to claim 1, which is characterized in that the connector arm
The outer wall packet of bar (11) and special-shaped shell body (12) is connected to sealing film.
6. a kind of point type Doppler ultra sonic wave flow flowmeter according to claim 1, which is characterized in that the battery
It (4) is specifically battery, the battery (4) is connected with voltage-stablizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920102230.7U CN209372156U (en) | 2019-01-22 | 2019-01-22 | A kind of point type Doppler ultra sonic wave flow flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920102230.7U CN209372156U (en) | 2019-01-22 | 2019-01-22 | A kind of point type Doppler ultra sonic wave flow flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209372156U true CN209372156U (en) | 2019-09-10 |
Family
ID=67826120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920102230.7U Expired - Fee Related CN209372156U (en) | 2019-01-22 | 2019-01-22 | A kind of point type Doppler ultra sonic wave flow flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209372156U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945325A (en) * | 2021-01-28 | 2021-06-11 | 罗雨晴 | Mining portable ultrasonic flowmeter |
-
2019
- 2019-01-22 CN CN201920102230.7U patent/CN209372156U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945325A (en) * | 2021-01-28 | 2021-06-11 | 罗雨晴 | Mining portable ultrasonic flowmeter |
| CN112945325B (en) * | 2021-01-28 | 2021-11-02 | 天津市迅尔仪表科技有限公司 | Mining portable ultrasonic flowmeter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 Termination date: 20200122 |